124430330403421 has 6 divisors (see below), whose sum is σ = 144745486387710. Its totient is φ = 106654568917176.

The previous prime is 124430330403413. The next prime is 124430330403439. The reversal of 124430330403421 is 124304033034421.

It can be written as a sum of positive squares in only one way, i.e., 95423865768196 + 29006464635225 = 9768514^2 + 5385765^2 .

It is not a de Polignac number, because 124430330403421 - 2³ = 124430330403413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124430330403461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1269697248966 + ... + 1269697249063.

It is an arithmetic number, because the mean of its divisors is an integer number (24124247731285).

Almost surely, 2^{124430330403421} is an apocalyptic number.

It is an amenable number.

124430330403421 is a deficient number, since it is larger than the sum of its proper divisors (20315155984289).

124430330403421 is an equidigital number, since it uses as much as digits as its factorization.

124430330403421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2539394498043 (or 2539394498036 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 34.

Adding to 124430330403421 its reverse (124304033034421), we get a palindrome (248734363437842).

The spelling of 124430330403421 in words is "one hundred twenty-four trillion, four hundred thirty billion, three hundred thirty million, four hundred three thousand, four hundred twenty-one".